Question: 1. (25 marks) A linear optimization model has been made for a cement plant where the variables are the number of Tonnes per Day (TPD)

1. (25 marks) A linear optimization model has

1. (25 marks) A linear optimization model has been made for a cement plant where the variables are the number of Tonnes per Day (TPD) of Type 1 and Type 2 cement made. The units of the total production constraint and the two sales constraints are in TPD. The units of the labour constraints are in labour-hours. The spreadsheet formulation (with final values) is: Cement Model 2 JOFV x 2 1700 Type 1 Type 2 4 I Maximize 5 Tonnes per Day 150l sol T T RHS 150 7 Iconstraints 8 Type 1 Sales 9 Type 2 Sales 10 Total Production 11 Dept. A Labour 12 Dept. B Labour 13 Dept. C Labour o 1 ol 11 il 21 5 200ls 550

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